Dental curing lamp

Details Dental curing lamp Dental curing lamp

1990-08-13

1993-02-02

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313639, 313642, H01J 6120

Patent

active

051840448

ABSTRACT:
A low watt metal halide discharge lamp for use in photo-curing photo-curable compositions. The lamp comprises an envelope made of light transmissive material having walls that define an arc chamber volume. Contained within the arc chamber volume is a fill of mercury, inert gas and a metal halide additive that includes indium iodide or indium triiodide. The mercury and metal halide are adapted to substantially vaporize during operation of the lamp and produce radiant energy substantially within the wavelength range between about 400 and 500 nm. Extending into the arc chamber volume is a pair of electrodes having electrode tips spaced apart from one another by a predetermined distance. The lamp also includes a pair of inlead assemblies electrically coupled to a pair of electrodes respectively. The inlead assemblies pass from the electrodes through a sealed section to the exterior of the lamp.

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